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ARM JTAG 20 pinouts

The following table shows the ARM JTAG 20 pinout as used on the target board:

Table 6. ARM JTAG 20 interface pinout table
PinSignal nameI/O diagramVoltage domain
1VTREFFA
2NCNANA
3nTRSTDA
4GNDHNA
5TDIBA
6GNDHNA
7TMS/SWDIOB/CA
8GNDHNA
9TCK/SWCLKBA
10GNDHNA
11RTCKAA
12GNDHNA
13TDO/SWOAA
14GNDHNA
15nSRSTEA
16GNDHNA
17DBGRQBA
18GNDHNA
19DBGACKAA
20GNDHNA